2VENKATARAMAN M. Effect of rate of sumping on fragmentation process in laboratory rotary cutting simulator [ D ]. Morgantown: West Virginia University, 2003.
3HEKIMOGLU O Z, OZDEMIR L. Effect of angle wrap on cutting performance of drum shearers and continuous miners [ J ]. Mining Technology, 2004, 113(2): 118-122.
4BILGIN N, DEMIRCIN M A, COPUR H, et al. Dominant rock properties affecting the performance of conical picks and the comparison of some experimental and theoretical results[J]. International Journal of Rock Mechanics & Mining Sciences, 2006, 43(1): 139-156.